Here is a portion of a unix filesystem. Like the "ls -l" output, we list whether the file (inode) is a plain file, directory, etc, with '-' for plain file or 'd' for directory. In the case of directories, the table also states the data content of the directory itself (a list of pairs of name and inode number).

a) Suppose I do "mkdir /usr/ajr/newdir". Write in all changes/additions to the above list. (There are some free inodes at the end for you to use for new files.)

Solution:

• Append to inode 6's contents:   , newdir 10
• Set the file type of inode 10 to 'd'
• Contents of 10 is:   . 10, .. 6

b) Suppose that my current directory is /usr/ajr and I do "ln fsys.fig more.fig". Write in all changes/additions to the above list.

Solution:

• Append to inode 6's contents:   , more.fig 5